APPS: Updated scene2pset to output confidences
MATH: Added MATH_SQRT_PI define
MVE: Removed depthmap_mesh_confidences() down-weighting exponent
DMRECON: Sanity check for empty embedding name
UMVE: Sanity checks before starting MVS
MVE: Removed verbose output while saving views
Merge branch 'master' of github.com:simonfuhrmann/mve